Coronado 10mm Blocking Filter- right angle type. For use with Coronado primary H-alpha etalon filters on telescopes up to 1000mm focal length.
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Details and Specifications
Coronado BF-10 right angle (1.25" diagonal) type secondary blocking filter. The blocking filter is the second element in any Coronado H-alpha system, it is just as crucial to your safety and the system's performance as the front element. Cannot be used without an SM front cell.
Secondary interference filter for full disc image of the Sun for telescopes up to 1,000mm focal length.
Product carries full one year factory limited warranty.
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